Answer:
the concentration of the reactants
the temperature in heating
 
        
             
        
        
        
Answer:
Ca^+2
Explanation:
Hence, the correct option is A.
 
        
             
        
        
        
Baking powder is a mixture of baking soda and a mild edible acid such as tartaric acid
        
             
        
        
        
Answer:
2.0 grams per cubic centimeter
Explanation:
(You can refer to the DMV triangle to help you solve this!)
Density = Mass/Volume
Density = 4.0g/2.0cm3
Density = 2.0g/cm3
Hope this helps!!!
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